| 露点与温度露点差对降雹的指示意义 |
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| 引用本文： | 廖远程,周跃武,卢俊山,王兴邦.露点与温度露点差对降雹的指示意义[J].气象,1998,24(11):40-43. |
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| 作者姓名： | 廖远程 周跃武 卢俊山 王兴邦 |
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| 作者单位： | 兰州干旱气象研究所!730020 |
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| 摘 要： | 通过对永登防雹试验基地１９７１￣１９７８年６￣８月０９时６３４次无线电探空资料与地面实况、天气现象进行分类研究，发现露点零度的高度具有指示雹日的意义；３００￣６００ｈＰａ层间的Σ（Ｔ－Ｔｄ）ｉ和３００￣５００ｈＰａ间的Σ（Ｔ－Ｔｄ）ｉ具有指示降雹强弱的意义，为冰雹预报提供依据，具有实用意义。
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| 关 键 词： | 雹日 露点 温度 露差点 降雹 冰雹 |
Dew-point Temperature and Dew-point Depression for Hail Forecast |
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| Liao Yuancheng, Zhou Yuewu, Lu Junshan, Wang Xingbang.Dew-point Temperature and Dew-point Depression for Hail Forecast[J].Meteorological Monthly,1998,24(11):40-43. |
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| Authors: | Liao Yuancheng Zhou Yuewu Lu Junshan Wang Xingbang |
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| Abstract: | Based on the 634 times of sounding data at 9 o'clock in June, July and August from 1971to 1978 at the hail suppression site in Yongdeng, Gansu province, the classification of weather phenomena and the surface observation were analysed. The results show that the height of 0'C dew-point temperture is an indicaton of halfday and the dew-point depressions at upper levels are of the signification representing the hail intensity. These indicators provide a reference for hail forecast. |
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| Keywords: | haiday dew-point temperature dew-point depression |
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